Finding the Fourth Proportional to 1,273,231,984,848.50, 1,757,214,217,175.40 and 724,656,673,336.08
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Solution
The fourth proportional to 1,273,231,984,848.50, 1,757,214,217,175.40 and 724,656,673,336.08 is: 1,000,113,902,344.91
Step by Step Solution
- Step 1: Write the proportion equation
1,273,231,984,848.50 : 1,757,214,217,175.40 = 724,656,673,336.08 : x - Step 2: Convert to fraction form
1,273,231,984,848.50/1,757,214,217,175.40 = 724,656,673,336.08/x - Step 3: Cross multiply
1,273,231,984,848.50x = 1,757,214,217,175.40 × 724,656,673,336.08 - Step 4: Simplify right side
1,273,231,984,848.50x = 1,273,377,008,957,189,261,361,152 - Step 5: Solve for x
x = 1,273,377,008,957,189,261,361,152/1,273,231,984,848.50 - Step 6: Final answer
x = 1,000,113,902,344.91
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.